<template>
  <div class="swiper-container skuImg-swiper">
    <div class="swiper-wrapper">
      <div class="swiper-slide" v-for="(skuImg, index) in skuInfo.skuImageList" :key="skuImg.id">
        <img :src="skuImg.imgUrl" 
        :class="{'active': current===index}" @click="handleLerImgUrl(skuImg.imgUrl, index)">
      </div>
    </div>
    <div class="swiper-button-next"></div>
    <div class="swiper-button-prev"></div>
  </div>
</template>

<script>
  import Swiper from 'swiper'
  import {mapGetters} from 'vuex'
  export default {
    name: "ImageList",

    data() {
      return {
        current: 0
      }
    },

    computed: {
    ...mapGetters('detail', ['skuInfo']),
  },
  watch: {
    skuInfo() {
      this.$nextTick(() => {
        new Swiper('.skuImg-swiper', {
          slidesPerView:'auto', // 显示图片的数据 auto就会自动的根据盒子宽度来设置
          spaceBetween: 100,  // 设置图片之间的间隔距离  默认是0
          // 如果需要前进后退按钮
          navigation: {
            nextEl: '.swiper-button-next',
            prevEl: '.swiper-button-prev'
          }
        })
      })
    }
      
  },
  methods: {
    handleLerImgUrl(imgUrl, index) {
      this.current = index
      this.$bus.$emit('get-image', imgUrl)
    }
  }


  }
</script>

<style lang="less" scoped>
  .swiper-container {
    height: 56px;
    width: 412px;
    box-sizing: border-box;
    padding: 0 12px;

    .swiper-slide {
      width: 56px;
      height: 56px;

      img {
        width: 100%;
        height: 100%;
        border: 1px solid #ccc;
        padding: 2px;
        width: 50px;
        height: 50px;
        display: block;

        &.active {
          border: 2px solid #f60;
          padding: 1px;
        }

        &:hover {
          border: 2px solid #f60;
          padding: 1px;
        }
      }
    }

    .swiper-button-next {
      left: auto;
      right: 0;
    }

    .swiper-button-prev {
      left: 0;
      right: auto;
    }

    .swiper-button-next,
    .swiper-button-prev {
      box-sizing: border-box;
      width: 12px;
      height: 56px;
      background: rgb(235, 235, 235);
      border: 1px solid rgb(204, 204, 204);
      top: 0;
      margin-top: 0;
      &::after {
        font-size: 12px;
      }
    }
  }
</style>